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  • Bearing Overview:

    Mugen Seiki 5x10x4mm Metal Shielded NMB Bearings. This is a replacement set of Bearings intended for the MTC3; however, it can also be used with other compatible applications in need of high-quality NMB ball bearings.

    Includes:

    • (2) 5x10x4mm Metal Shielded NMB Bearings

    This product was added to our catalog on August 21, 2025

    • Mugen MTC3

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